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Ducksch is a 23-year-old German striker who plays for Bundesliga Two outfit Holstein Kiel, on loan from St Pauli.

He joined St Pauli last summer from Borussia Dortmund, who he had risen through the ranks with and even made first-team appearances before moving on to pastures new.

He moved on loan to Holstein at the start of 2017 and impressed enough to earn a season-long loan switch in the summer.

What's he done?

The Dortmund-born forward started playing football from the age of four and having impressed local scouts his first big break was at the academy of BSV Fortuna Dortmund 58.

His father Klaus was coached the youth teams and Ducksch thrived under his tutelage, earning him a move to the Borussia Dortmund academy in 2002.

He soon became one of the hottest talents in the Bundesliga giants' youth system and in the 2011/12 season he delivered his most prolific season yet by plundering 16 goals in 26 games.

The summer of 2012 saw him move to Dortmund's second-string team, where he was managed by Huddersfield Town manager David Wagner, and despite breaking his foot and missing four months, he notched an impressive 36 goals in 84 appearances for his first professional club - and the senior side soon came calling.

Marvin Ducksch during his time at Dortmund (Image: Getty Images)

The 2013/14 season saw him score his first goal for Dortmund on his debut but his career stalled somewhat and a loan move to SC Padeborn 07 the following season did not work out and he joined St Pauli after two seasons in the wilderness.

He has spent 18 months of his two-year stay at the club out on loan with current club Holstein, who he helped to promotion from the third tier of German football before his loan was extended.

This season he has struck 11 times in 16 appearances across all competitions, with 10 of those coming in 14 league outings, as well as two assists.

There have also been international honours, with Ducksch having played for the national team at U15, U16, U17 and U18 level.

Where does he play?

Ducksch is an out-and-out No.9 who is probably most similar to Pierre-Michel Lasogga of Leeds' current roster of strikers.

Standing at 6ft 3ins, the German plays as a lone frontman in Holstein's 4-1-4-1 setup, with lightning-quick wingers Kingsley Schindler and Steven Lewerenz supplying the crosses for a player who is a handful in the air.

What type of player is he?

The concern for Leeds fans will be whether or not he has the mobility and pace to suit the front four Christiansen has settled on lately of a trio of attacking midfielders supporting the speed of Kemar Roofe up front.

The possible January target is more of a focal point in attack and is known more for his hold-up play and aerial presence than he is for pressing from the front.

What's been said about him?

Upon signing for St Pauli, Ducksch hit the headlines after his side sent a man impersonating their manager to the unveiling of their new striker.

Ewald Lienen missed the press conference and the club instead had to improvise and use a mystery stand-in, who donned a Ewald Lienen mask and the club went on to confirm they had used a body double after the ruse was discovered.

“With Marvin we get an attacker who has good technique and a very good end product, Lienen said when he eventually did introduce his new signing.